#ifndef OFFLINEMESSAGEMODEL_H
#define OFFLINEMESSAGEMODEL_H

#include <string>
#include <vector>
using namespace std;
class OfflineMsgModel{
    public:
        //存储用户的离线消息
        void insert(int userid,string msg);
        //删除用户的离线消息
        void remove(int userid);
        //查询用户的离线消息
        vector<string> query(int userid);
};
#endif